This enumeration specifies the sizing options for a PictureBox control.
public enum PictureBoxSizeMode { Normal = 0, StretchImage = 1, AutoSize = 2, CenterImage = 3 }
System.Object System.ValueType System.Enum(System.IComparabl, System.IFormattable, System.IConvertible) PictureBoxSizeMode
PictureBox.SizeMode